第八十八章 农学
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他们说的玄扈公和张瀚说的徐少詹就是后世赫赫有名的徐光启，这人在明末时期确实是妖孽般的存在，早年为秀才后奔波各地教授经学，万历中期中举人之后又对农学和水利产生了浓厚兴趣，开始学习天文和数学，打下了牢固的数学底子，中进士后和泰西来的传教士利玛窦研习数学，翻译几何著作，中文里的诸如“平行线”，“三角形”，还有“对角”和“直角”这些词汇，都是徐光启费了不少心血翻译出来，就算后人也承这老人家不少的惠，此公不仅自己学习，还在朝堂和民间招收了不少学生，同时鼓励传教士在南堂开讲授课，教授中国人几何与算学，这是一种良性发展，到崇祯年间，已经颇有不少士大夫的算学和几何水平很高，其中的代表人物就是孙元化等人。龙腾小说ltxsba.com
可以说，徐光启的杂学水平在这个时代是当之无愧的第一人！
然而在士林之中，那些迂腐不堪的人对徐光启把精力用在天文和算学，包括几何学上很是不满，在士大夫心中，研习一下水利和农学已经算是荒废时光，把精力用在天文和几何算学上，几乎就算是玩物丧志，而鼓励年轻的士子学习这些东西，简直就算离经叛道了。
当然，这种层次的攻讦只算是学术之争，倒没有哪个想禁绝西学，甚至对传教士们不管是传教还是讲学都持相当宽容的态度，此时的中国尚未丧失自信，与几百年后的情形截然不同。
孔敏学身为徐光启的学生，心中有一些积怨自也难免了。
“至之兄的学术，主要是在哪一块？”
张瀚这才明白，怪不得孔敏行对自己的铁场高炉一脸感兴趣的模样，原来是徐光启门下，如果是普通的士子，恐怕对这种事有兴趣的还真不多。
“惭愧了……”孔敏行笑道：“我对农学的兴趣较为浓厚，此外就是算学，要说几何与水利或制器这一块，虽有兴趣，然而涉猎不深。”
徐光启的学术确实太强，门下的弟子们也是各有专精，孙元化就是专长于制器，在登州打造了大量的红夷大炮，结果孔有德兵变时，将红夷大炮和制造的技师，包括制作火、枪的技师一并裹挟了去。
这孔敏行倒是长于农学，他料想张瀚不会对农学有什么兴趣，铁场也好，和裕升的各项生意也罢，统统都是和农学没有太大的关系。
岂料张瀚听说之后，竟是肃容道：“至之兄，小弟有事要请教，未知可否？”
孔敏行笑道：“这有什么可或不可的，大家一起闲聊，自是什么都能谈。”
李慎明这时作抗议状，叫道：“文澜你这样是不是要叫我们一直空着肚子？”
张瀚闻言大笑，赶紧叫人送上一桌酒菜来，这是小事，转瞬间就办好了，等待时三人一直在亭下看着淅淅沥沥的细雨和四周的景致，张瀚这个院子是买的一个乡绅的旧宅，几十年的老宅，院中花木错落，亭台间隙中摆放着一些奇石，青苔顺着山石和院墙攀爬，绿意盈盈，加上雨水烟雾朦胧，其实是普通的宅邸，但人身处其中，眼睛倒觉得格外清爽。
“我们都是俗世中人。”李慎明先开口道：“成日奔波劳碌，也不知道坐下来，静一静心。”
孔敏行笑道：“不作膏梁谋，你哪有这宅邸可住，又哪有这般景致？”
张瀚也道：“外头就有不少担着湿柴在叫卖的，还有挑馄饨担子的，你道他们不想在这天气里歇着，在家和儿女说说笑笑，没办法，一日不作一日不得食，遵路兄，你这是矫情。”
“就不许我矫情一回？”李慎明笑骂道：“你们俗的可恶。”
张瀚道：“那你俗的可爱便是了……好了，我们坐着喝酒说话。”
这三人，张瀚和李慎明是换帖兄弟，交情不必细说，和孔敏行还是初次见面，但彼此间已经有很默契的感觉，人的相交，其实就在于气场是否融合，当然，也是彼此间有利益可以互换，这是一个交往的基础，在基础之上，能不能真的建立友情和交谊，那就得看彼此气场是否相融。
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